{extend name="layouts/default" /}
{block name="title"}帮助页{/block}
{block name="content"}
<h1>帮助</h1>
<button class="btn btn-success">按钮</button>
<div class="card">
    <div class="card-header">标题</div>
    <div class="card-body">内容</div>
</div>
{/block}